The AT24C32CN-SHAV-B is a 32-Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) from Atmel. It is organized as 4096 words of 8 bits each. This device is optimized for use in a wide range of applications requiring non-volatile storage of data. The device features a simple two-wire serial interface, making it easy to integrate into various systems.

Applications

• Consumer electronics
• Industrial control systems
• Medical devices
• Automotive electronics
• Smart cards
• Data logging
• Configuration storage

Features

• Low-voltage operation: 1.8V to 5.5V
• Two-wire serial interface: I2C compatible
• 400 kHz clock frequency
• Write protect feature for hardware data protection
• Self-timed write cycle (5ms typical)
• High reliability: 1 million erase/write cycles
• Data retention: 100 years
• 8-byte page write mode
• Available in various packages: SOIC, TSSOP, PDIP

Benefits

• Non-volatile data storage ensures data is retained even when power is lost.
• I2C interface simplifies integration with microcontrollers and other digital systems.
• Low-voltage operation makes it suitable for battery-powered applications.
• Write protect feature prevents accidental data corruption.
• High endurance and data retention ensure long-term reliability.
• Small package options allow for use in space-constrained applications.

Additional Details

The AT24C32CN-SHAV-B uses the I2C serial communication protocol for reading and writing data. It supports the standard and fast I2C modes, with clock frequencies up to 400 kHz. The device has an 8-byte page write buffer, which allows for writing up to 8 bytes of data in a single write cycle. The write cycle is self-timed, which means that the microcontroller does not need to wait for the write operation to complete. The device also features a write protect input, which can be used to prevent accidental writes to the EEPROM. This is useful in applications where data integrity is critical. The device is available in different temperature ranges to suit various operating environments.